Related Parties (Details) - USD ($) shares in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Oct. 31, 2023
Related Party Transaction [Line Items]
Research and development	$ 4,786,000	$ 5,132,000
Related party transaction	36,000	36,000
Related Party
Related Party Transaction [Line Items]
Research and development	6,200	96,000
Sublease income	$ 23,000	$ 68,000
Warrants issued (in shares)			80
Warrants, value			$ 198,000

Number of warrants or rights outstanding.

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- Definition

Amount of transactions with related party during the financial reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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- Definition

Amount of sublease income excluding finance and operating lease expense.

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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